Composition with controllable appearance

Abstract

A composition intended to be applied on a surface and having an appearance controllable by an external field is disclosed. The composition comprises: a plurality of field responsive particles with a particle appearance, and a liquid with a liquid appearance, the liquid appearance being distinct from the particle appearance, the liquid being disposed to fixate the plurality of field responsive particles, the composition being disposed such that if the external field is applied to the composition, the field responsive particles are affected with a force being distinct from surrounding liquid.

1 . A film forming composition ( 100 ,  200 ) comprising a fluid matrix ( 103 ,  223 ) and a plurality of particles ( 102   a ,  226   a ) dispersed in the fluid matrix ( 103 ,  223 ), suitable for application on a surface, wherein
 the plurality of particles ( 102   a ,  226   a ) are field responsive such that if an external field is applied to said composition ( 100 ,  200 ) when provided on the surface, said field responsive particles ( 102   a ,  226   a ) move, at least partially in a direction normal to the surface, relative to the liquid, to alter the appearance of the composition, and   the liquid ( 103 ,  223 ) is disposed for fixation of said plurality of field responsive particles ( 102   a ,  226   a ) such that the altered appearance of the composition is preserved.   
   
   
       2 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said surface is a surface on a person. 
   
   
       3 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said surface is a surface on an animal. 
   
   
       4 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said field responsive particles ( 102   a ) are electrically charged and said external field is an electrical field. 
   
   
       5 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said field responsive particles ( 226   a ) are magnetically responsive and said external field is a magnetic field. 
   
   
       6 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said liquid ( 103 ,  223 ) is disposed for fixation of said plurality of field responsive particles ( 102   a ,  226   a ) through evaporation. 
   
   
       7 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said liquid ( 103 ,  223 ) comprises monomers or is polymerizable and said liquid ( 103 ,  223 ) is disposed for fixation of said plurality of field responsive particles ( 102   a ,  226   a ) through polymerisation. 
   
   
       8 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said liquid ( 103 ,  223 ) is disposed to initiate fixation of said plurality of field responsive particles ( 102   a ,  226   a ) through an action selected from a group of actions comprising heat application, chemical reaction and ultraviolet light application. 
   
   
       9 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said composition ( 100 ,  200 ) is a paint. 
   
   
       10 . The composition ( 100 ,  200 ) according to  claim 1 , wherein said composition ( 100 ,  200 ) is a crème, said crème being removable after having been applied to a person. 
   
   
       11 . A pattern generator for applying a field in accordance with a desired pattern to control appearance of a composition ( 100 ,  200 ) according to  claim 1 , said pattern generator selected from a group comprising a field pen, a field roller ( 330 ) and a field plate. 
   
   
       12 . The pattern generator according to  claim 11 , wherein said pattern generator is additionally configured to apply said composition ( 100 ,  200 ) on a person. 
   
   
       13 . The pattern generator according to  claim 11 , wherein the desired pattern fields are arranged in a matrix corresponding to pixels of an image. 
   
   
       14 . An applicator for applying a composition ( 100 ,  200 ) according to  claim 1  on a person, wherein said applicator has a hydrophobic surface for applying the composition, which is hydrophilic, or said applicator has a hydrophilic surface for applying the composition, which is hydrophobic. 
   
   
       15 . A method for making a surface having a desired appearance, comprising the steps of:
 dispensing a film forming composition on the surface comprising a plurality of field responsive particles and a liquid;   applying an external field to the such that the move, at least partially in a direction normal to the surface, relative to the liquid, to alter the appearance of the composition; and   fixating the plurality of particles.   
   
   
       16 . The method according to  claim 15 , wherein the particles are electrically charged and the external field is an electrical field. 
   
   
       17 . The method according to  claim 15 , wherein the particles are magnetically responsive and the external field is a magnetic field. 
   
   
       18 . The method according to  115 , wherein the step of fixating comprises evaporation of the liquid. 
   
   
       19 . The method according to  claim 15 , wherein the liquid comprises monomers or is polymerizable and the step of fixating comprises polymerisation of the liquid. 
   
   
       20 . The method according to  claim 15 , wherein the step of fixating comprises an action selected from a group of actions comprising heat application, chemical reaction and ultraviolet light application. 
   
   
       21 . A coating having a desired appearance, wherein the coating is provided by a composition according to  claim 1 .